The only included item is the box. The adapter is not included. The following text was automatically generated: An effects pedal that provides a variety of electric piano sounds. - Brand: electro-harmonix - Model Name: KEY 9 - Function: Electric Piano Machine - Controls: DRY, VOL, KEYS, CTRL 1, CTRL 2 - Output Terminals: OUTPUT, INPUT - Power: 9V DC - Features: Various tones (DYNAMO, SUITCASE, MALTS, EIGHTY EIGHT, GLORIOUS, VIBES, ORGAN, STEEL DRUMS) Thank you for viewing.